question should be answered in subject: Human factors in system design ( industrial engineering)

You and your friends enter a design competition for redesigning the University ofFlorida’s library website. Each team has been allotted enough resources to run 30 participants over the course of the competition. Total points 35 a) Your friends jump right in and start coding and building a new website, however you tell them you want to start by doing front-end analysis using a task-analysis. List two reasons you can provide to them as to why it is important to first conduct a task-analysis (remember to provide a justification for each reason). (6 pts) b) Your friends tell you they want to test 30 people on a single iteration of your prototype so that you can conduct statistically significant tests. You do not agree with their plan. What is your argument? (4 pts) 4. Task Analysis: a) What four types of data are typically collected in a task analysis? (2 pts) b) Compare and contrast how relevant each type of data is in 1) designing the layout of machines in a factory, and 2) designing the training material for using tax software. (8 pts) 5. Multiple Choice and Short Answer 1. The extent to which a study allows for conclusions about causal effect is (1 pt): a) Construct validity b) Conclusion validity c) Face validity d) Internal validity e) External validity Aa) Assesses whether a design meets benchmarks or design goals b) Is used to understand how to improve a design c) Occurs at the end of a product design cycle d) Both (a) and (b) e) Both (a) and (c)
Car model names (e.g., “Tesla Model X”, “Ford Mustang”, “Volkswagen Type 2”) are an example of (1 pt):a) Nominal data b) Ordinal data c) Interval data d) Ratio data
What is the difference between descriptive and explanatory research? (2pts)

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